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Syria chemical attack

The Russian government is denying any role in a reported chemical attack that killed dozens in Syria. Dr. Gregory Koblentz is the director of the biodefense graduate program at George Mason University and joins CBSN with more details.

Apr 4, 2017 (03:06)

American, Germans wins Nobel medicine prize

American, Germans wins Nobel medicine prize

B-1 bombers removed from U.K.

B-1 bombers removed from U.K.

Alleged Chinese agent arrested at LAX

Alleged Chinese agent arrested at LAX

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What cases the Supreme Court will take up

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Poll: Collins and Jackson tied in Maine

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Alito on criticism of SCOTUS from political leaders

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Extended Interview: Sen. Thom Tillis

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"Hawkeye Wave" spreads kindness

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Caleb Flynn claims innocence during sentencing

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Alito says justices are not political players

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Trump focuses on red states ahead of midterms

U.S. hastily removes B-1 bombers from U.K.

U.S. hastily removes B-1 bombers from U.K.

Growing anger against Cornell University

Growing anger against Cornell University

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Nobu chef killed in car crash

Israel would've downed FlyDubai plane: sources

Israel would've downed FlyDubai plane: sources

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Russia pushes back against plague reports

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Christa Pike's attorneys push for commutation

Cornell students protest handling of alleged rape

Cornell students protest handling of alleged rape

Sources: Israel was prepared to down FlyDubai flight

Sources: Israel was prepared to down FlyDubai flight

What to know as Trump campaigns in Nebraska

What to know as Trump campaigns in Nebraska

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